On 20 Aug 2000 23:47:55 -0400, Ron Parker wrote:
>On Sun, 13 Aug 2000 12:26:02 +0200, Peter J. Holzer wrote:
>>Possibly. But tmin and tmax are always just the distance of the
>>currently considered planes from P, so I guess it makes sense to reuse
>>the variables (or at least the variable name - personally I would have
>>declared those variables only in the blocks where they are used).
>
>And it wouldn't have compiled on every possible machine.  This is C, not
>C++.

In C you can declare variables at the start of every block. I don't know if
this has always been the case, but I am reasonably sure it was already
in K&R I 1978 (it's in the German translation of that book, which was
published 5 years later).

	hp

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